The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for appalling is "inspiring dismay or disgust.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for impenitent is "Lacking remorse."

The definition for insinuate is "To suggest indirectly." Used in a sentence: Sinead, who did not like confrontation, insinuated that Beth was lying. The definition for implement is "to carry out or accomplish.", the definition for frugal is "Thrifty, cheap.", and the definition for salvage is "To save from ruin."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for pallid is "lacking color.", the definition for mediate is "To come between parties in order to reconcile.", and the definition for dubious is "Questionable."

The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for pathos is "sympathetic pity.", the definition for entangle is "To involve in trouble.", and the definition for gravity is "Importance, significance."

The definition for prune is "To reduce by removing excess." Used in a sentence: The candidate pruned his speech so he would not exceed the time limit. The definition for appraise is "to evaluate the worth of.", the definition for prominence is "Importance.", and the definition for ramble is "To wander, physically or in language."